Big Bear Instruments offers a wide variety of current monitors and phase/voltage monitors. The current monitors are used to do just that -monitor current in its necessary application. Many units can detect over and/or under current too which is important for avoiding an issue with continuous operation of critical industrial machinery. The phase/voltage monitors are designed to protect applications from things like phase loss, under or over voltage, and machine failure. Sort by manufacturer, series, monitor type, or part number.
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SLA-380-ASA
Operating Voltage: 350-440 Adj. Type of Operation: Screwdriver Adjusted Enclosure Style: Octal Plug-In Dust Cover
SLA-440-AFE
Operating Voltage: 440 Type of Operation: Fixed Enclosure Style: Surface Mounted #8 Screw Terminals
SLA-440-ALE
Operating Voltage: 440 Type of Operation: Lock Shaft Adjusted Enclosure Style: Surface Mounted #8 Screw Terminals
SLA-440-ALER
Operating Voltage: 440 Type of Operation: Lock Shaft Adjusted Enclosure Style: Surface Mounted #8 Screw Terminals Reset: Manual
SLA-440-ASA
Operating Voltage: 430-480 Adj. Type of Operation: Screwdriver Adjusted Enclosure Style: Octal Plug-In Dust Cover
SLA-460-AFE
Operating Voltage: 460 Type of Operation: Fixed Enclosure Style: Surface Mounted #8 Screw Terminals
SLA-480-AFE
Operating Voltage: 480 Type of Operation: Fixed Enclosure Style: Surface Mounted #8 Screw Terminals
SLA-575-ALE
Operating Voltage: 525-625 Adj. Type of Operation: Lock Shaft Adjusted Enclosure Style: Surface Mounted #8 Screw Terminals
SLB-400-ALEA
Operating Voltage: Standard Automatic 10% of Unbalance 300-500; Setting 3 Ø Line Voltages 60 Hz Reset: Automatic Hysteresis: 10% of Unbalanced Setting
SLC-120-ALE
Operating Voltage: 120 VA Power Required: 3 VA Max Output Rating: DPDT 5 Amps Resistive; 345 VA Inductive @ 240 VAC
SLC-230-ALE
Operating Voltage: 208/240 VAC Power Required: 3 VA Max Output Rating: DPDT 5 Amps Resistive; 345 VA Inductive @ 240 VAC
SLC-380-ALE
Operating Voltage: 380 VAC Power Required: 7 VA Max Output Rating: DPDT 3 Amps Resistive; 360 VA Inductive @ 600 VAC
SLC-440-ALE
Operating Voltage: 440/480 VAC Power Required: 7 VA Max Output Rating: DPDT 3 Amps Resistive; 360 VA Inductive @ 600 VAC
SLD-120-ASA
Operating Voltage: 120 VAC Under Voltage Dropout Range: 95-115 Adj. Power Required: 3 VA Max Output Rating: SPDT 10 Amp Resistive @ 240 VAC; 1/2 HP @ 240 VAC
SLD-230-ALE
Operating Voltage: 208/240 VAC Under Voltage Dropout Range: 185-230 Adj. Power Required: 3 VA Max Output Rating: DPDT 5 Amps Resistive; 345 VA Inductive @ 240 VAC
SLD-380-ALE
Operating Voltage: 380 VAC Under Voltage Dropout Range: 315-390 Adj. Power Required: 7 VA Max Output Rating: DPDT 3 Amps Resistive; 360 VA Inductive @ 600 VAC
SLD-380-ASA
Operating Voltage: 380 VAC Under Voltage Dropout Range: 315-390 Adj. Power Required: 3 VA Max Output Rating: SPDT 10 Amp Resistive @ 240 VAC 1/2 HP @ 240 VAC
SLD-440-ALE
Operating Voltage: 440/480 VAC Under Voltage Dropout Range: 370-460 Adj. Power Required: 7 VA Max Output Rating: DPDT 3 Amps Resistive; 360 VA Inductive @ 600 VAC
SLD-440-ASA
Operating Voltage: 440/480 VAC Under Voltage Dropout Range: 370-460 Adj. Power Required: 3 VA Max Output Rating: SPDT 10 Amp Resistive @ 240 VAC 1/2 HP @ 240 VAC
SLU-0200
Universal Phase Monitor with Rapid Cycle Lockout Enclosure Style: 8-Pin Plug In LEXAN® Dust Cover